C# PrintItemCollection.Commit方法代码示例

		public void AddCollection(PrintItemCollection collection)
		{
			collection.Commit();
		}

		private async Task<PrintItemCollection> GetRootLibraryCollection()
		{
			// Attempt to initialize the library from the Datastore if null
			PrintItemCollection rootLibraryCollection = Datastore.Instance.dbSQLite.Table<PrintItemCollection>().Where(v => v.Name == "_library").Take(1).FirstOrDefault();

			// If the _library collection is still missing, create and populate it with default content
			if (rootLibraryCollection == null)
			{
				rootLibraryCollection = new PrintItemCollection();
				rootLibraryCollection.Name = "_library";
				rootLibraryCollection.Commit();

				// In this case we now need to update the baseLibraryCollection instance member as code that executes
				// down this path will attempt to use the property and will exception if its not set
				this.baseLibraryCollection = rootLibraryCollection;

				// Preload library with Oem supplied list of default parts
				await this.EnsureSamplePartsExist(OemSettings.Instance.PreloadedLibraryFiles);
			}

			return rootLibraryCollection;
		}

		static PrintItemCollection GetRootLibraryCollection2(LibraryProviderSQLite rootLibrary)
		{
			// Attempt to initialize the library from the Datastore if null
			PrintItemCollection rootLibraryCollection = Datastore.Instance.dbSQLite.Table<PrintItemCollection>().Where(v => v.Name == "_library").Take(1).FirstOrDefault();

			// If the _library collection is still missing, create and populate it with default content
			if (rootLibraryCollection == null)
			{
				rootLibraryCollection = new PrintItemCollection();
				rootLibraryCollection.Name = "_library";
				rootLibraryCollection.Commit();

				// Preload library with Oem supplied list of default parts
				string[] itemsToAdd = SyncCalibrationFilesToDisk(OemSettings.Instance.PreloadedLibraryFiles);
				if (itemsToAdd.Length > 0)
				{
					// Import any files sync'd to disk into the library, then add them to the queue
					rootLibrary.AddFilesToLibrary(itemsToAdd);
				}
			}

			return rootLibraryCollection;
		}

		public override void AddCollectionToLibrary(string collectionName)
		{
			PrintItemCollection newCollection = new PrintItemCollection(collectionName, "");
			newCollection.ParentCollectionID = baseLibraryCollection.Id;
			newCollection.Commit();
			LoadLibraryItems();
		}

		public async Task AddCollectionToLibraryAsync(string collectionName)
		{
			PrintItemCollection newCollection = new PrintItemCollection(collectionName, "");
			newCollection.ParentCollectionID = baseLibraryCollection.Id;
			newCollection.Commit();
			await LoadLibraryItems();
		}